Other related sites

Page last updated at 07:54 GMT, Friday, 19 August 2011 08:54 UK

How LED lights could speed up the internet


The internet could soon be transmitted to us at the speed of light. Visible light communication is a process that uses rapid pulses of light to transmit information wirelessly.

A commercial version of li-fi has been developed and if proved successful could soon be ready to compete with conventional wireless internet.

Harald Haas, professor of mobile communications at University of Edinburgh, explains how his team are using off-the-shelf LED lights to transmit data.

Listen to this latest episode of Click broadcast by the BBC World Service.

Follow the Click team on Twitter - @bbcclick


Story Tools


Sign in

BBC navigation

Copyright © 2016 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific